Chapter 5 Flashcards
(8 cards)
1
Q
Describes something that repeats or occurs at regular intervals
A
Periodic
2
Q
Law that states that the repeating chemical and physical properties of elements change periodically with the atomic number of the elements.
A
Periodic Law
3
Q
A horizontal row of elements in the periodic table
A
Period
4
Q
Vertical column on the periodic table
A
Group
5
Q
The most reactive elements and the first group
A
Alkali Metals
6
Q
The second group on the periodic table
A
Alkaline Earth Metals
7
Q
the 17th group on the periodic table
A
Halogen
8
Q
The last group on the periodic table and 8 valence electrons
A
Noble Gas
